3a-7a=5

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Solution for 3a-7a=5 equation: 


Simplifying
3a + -7a = 5

Combine like terms: 3a + -7a = -4a
-4a = 5

Solving
-4a = 5

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Divide each side by '-4'.
a = -1.25

Simplifying
a = -1.25

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